. >>> a man in south riding, virginia is behind bars for sexually saassaulting a woman tt he met on eharmony. it happened at the suspect's house in loudoun county. pat collins talked to peoplen the neighborhood who are alarmed about that arrest. >> reporter: a sex crime in thir well tailored community in south riding. people, most upset. >> they ought to put these people away. it is horrible, what's going on. >> think in this block is a family block with kids playing. not something like, some crime like that taking place he. >> reporter: police say this man used the internet to befriend a woman whom he later held captive and victimized. >> the person may seem like a nic person on the other end of the phone. if you don't know them, you have to assume that foul play could be involved. >> reporter: accoing to the sheriff, this go back to june. that's when they stay suspect john swan evanset the victim on the dating website eharmony.com. july, they say, he lured her to his house here in south riding. and health her against her will. and sexually assaulted her here. there is fear there could be m